You're right, even with Let's Encrypt HTTPS is still more work than speaking insecure HTTP. But it's a brand new project, and we're working to ensure the amount

You're right, even with Let's Encrypt HTTPS is still more work than speaking insecure HTTP. But it's a brand new project, and we're working to ensure the amount of effort involved is monotonically decreasing. In the next few months we'll be shipping an Nginx installer plugin and model renewal scripts for operating systems to provide native automated renewal with their packages of the client. Both of those should help to reduce the amount of work for your use case!